1 /*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26 /*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2011, 2012, Intel Corporation.
31 */
32 /*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 *
36 * lustre/include/lustre_mds.h
37 *
38 * MDS data structures.
39 * See also lustre_idl.h for wire formats of requests.
40 */
41
42 #ifndef _LUSTRE_MDS_H
43 #define _LUSTRE_MDS_H
44
45 /** \defgroup mds mds
46 *
47 * @{
48 */
49
50 #include "lustre_handles.h"
51 #include "../../include/linux/libcfs/libcfs.h"
52 #include "lustre/lustre_idl.h"
53 #include "lustre_lib.h"
54 #include "lustre_dlm.h"
55 #include "lustre_export.h"
56
57 struct mds_group_info {
58 struct obd_uuid *uuid;
59 int group;
60 };
61
62 #define MDD_OBD_NAME "mdd_obd"
63 #define MDD_OBD_UUID "mdd_obd_uuid"
64
md_should_create(__u64 flags)65 static inline int md_should_create(__u64 flags)
66 {
67 return !(flags & MDS_OPEN_DELAY_CREATE ||
68 !(flags & FMODE_WRITE));
69 }
70
71 /* these are local flags, used only on the client, private */
72 #define M_CHECK_STALE 0200000000
73
74 /** @} mds */
75
76 #endif
77